UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6d/ujTvglf2jsa4UvXyYfOM0R2QjAXCjfLknJMlrfes=' 
WHERE 
  key_id = '49a7e8bccd0e352661b705b87e7427ec21a36a989d36b2291515ba694ab37148' 
  AND (
    token = '6d/ujTvglf2jsa4UvXyYfOM0R2QjAXCjfLknJMlrfes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )